// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_DOM_STORAGE_LOCAL_STORAGE_DATABASE_ADAPTER_H_
#define CONTENT_BROWSER_DOM_STORAGE_LOCAL_STORAGE_DATABASE_ADAPTER_H_

#include <memory>

#include "base/gtest_prod_util.h"
#include "base/macros.h"
#include "content/browser/dom_storage/dom_storage_database_adapter.h"
#include "content/common/content_export.h"

namespace base {
class FilePath;
}

namespace content {

class DOMStorageDatabase;

class CONTENT_EXPORT LocalStorageDatabaseAdapter : public DOMStorageDatabaseAdapter {
public:
    explicit LocalStorageDatabaseAdapter(const base::FilePath& path);
    ~LocalStorageDatabaseAdapter() override;
    void ReadAllValues(DOMStorageValuesMap* result) override;
    bool CommitChanges(bool clear_all_first,
        const DOMStorageValuesMap& changes) override;
    void DeleteFiles() override;
    void Reset() override;
    void ReportMemoryUsage(base::trace_event::ProcessMemoryDump* pmd,
        const std::string& name) override;

protected:
    // Constructor that uses an in-memory sqlite database, for testing.
    LocalStorageDatabaseAdapter();

private:
    FRIEND_TEST_ALL_PREFIXES(DOMStorageAreaTest, BackingDatabaseOpened);
    FRIEND_TEST_ALL_PREFIXES(DOMStorageAreaTest, CommitChangesAtShutdown);
    FRIEND_TEST_ALL_PREFIXES(DOMStorageAreaTest, CommitTasks);
    FRIEND_TEST_ALL_PREFIXES(DOMStorageAreaTest, DeleteOrigin);
    FRIEND_TEST_ALL_PREFIXES(DOMStorageAreaTest, PurgeMemory);

    std::unique_ptr<DOMStorageDatabase> db_;

    DISALLOW_COPY_AND_ASSIGN(LocalStorageDatabaseAdapter);
};

} // namespace content

#endif // CONTENT_BROWSER_DOM_STORAGE_LOCAL_STORAGE_DATABASE_ADAPTER_H_
